Hangzhou Dangkang Chemicals Imp&Exp Co.,Ltd is a high-tech and professional company which specialized in research, manufacture, export and import. Now we have two subsidiary companies, one of them named Jiujiang Wuwei Industrial Development Co., Ltd, which was founded in 2006. She is one of the largest professional dealers of Sodium Fluorosilicate and Sodium Fluoride in East China and also the raw material supplier for Aluminum alloy flux plants in Jiangsu,Zhejiang and Shanghai.Located at the foot of Lushan moutain, she has an area of 45 acres. Zhejiang...